package com.kuang.controller;

import com.sun.org.apache.bcel.internal.generic.RET;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpSession;

/**
 * Author: Zhang Dongwei
 * Date: 2022/7/26 12:06
 */
@Controller
public class LoginController {

    @RequestMapping("/user/login")
    public String login(@RequestParam("username") String username, @RequestParam("password") String password, Model model, HttpSession session){
//        具体的业务
        if(!StringUtils.isEmpty(username)&&"123456".equals(password)){
            session.setAttribute("loginUser",username);
            return "redirect:/main.html";
        }else {
//            告诉用户，你登录失败了
            model.addAttribute("msg", "用户名或者密码错误！");
            return "index";
        }
    }

    @RequestMapping("/user/logout")
    public String logout(HttpSession session){
        session.invalidate();
        return "redirect:/index.html";
    }

}
